diff --git a/3DBiCar/3673/metadata.json b/3DBiCar/3673/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..f80c6c1d209d2d17a44a8d4597d0f7ab429cc89a
--- /dev/null
+++ b/3DBiCar/3673/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3674/metadata.json b/3DBiCar/3674/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..54ce31e10974124d937f5eaa8886f6475012113e
--- /dev/null
+++ b/3DBiCar/3674/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3687/metadata.json b/3DBiCar/3687/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d30483de4d33fe40094fece99fc46d96bb794698
--- /dev/null
+++ b/3DBiCar/3687/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=1630349307,2635373790&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=640&h=480"
+}
\ No newline at end of file
diff --git a/3DBiCar/3690/metadata.json b/3DBiCar/3690/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..54ce31e10974124d937f5eaa8886f6475012113e
--- /dev/null
+++ b/3DBiCar/3690/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3700/metadata.json b/3DBiCar/3700/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..92ae0347d3ee29f3713f384665ebb675b9073ac7
--- /dev/null
+++ b/3DBiCar/3700/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3701/metadata.json b/3DBiCar/3701/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..92ae0347d3ee29f3713f384665ebb675b9073ac7
--- /dev/null
+++ b/3DBiCar/3701/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3706/metadata.json b/3DBiCar/3706/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..4142278a24cead4be069773542fc63e89b7915ca
--- /dev/null
+++ b/3DBiCar/3706/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3713/metadata.json b/3DBiCar/3713/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/3713/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3718/metadata.json b/3DBiCar/3718/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..7935166c59079981c1038654a0d3e5dacf2554cb
--- /dev/null
+++ b/3DBiCar/3718/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "computer_design",
+  "source": "http://mms2.baidu.com/it/u=1354251814,4288342856&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=600"
+}
\ No newline at end of file
diff --git a/3DBiCar/372/metadata.json b/3DBiCar/372/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/372/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3721/metadata.json b/3DBiCar/3721/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/3721/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3723/metadata.json b/3DBiCar/3723/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/3723/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/373/metadata.json b/3DBiCar/373/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..86aa6a0933f8e479a768b7c2baf99580942e865a
--- /dev/null
+++ b/3DBiCar/373/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "computer_design",
+  "source": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTsNZbrAhyDFH6oIjMuh0xlgvmTrf0Mpj9BKEiCTE0EkSdJq7JD"
+}
\ No newline at end of file
diff --git a/3DBiCar/3731/metadata.json b/3DBiCar/3731/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..aca3b8770c22d0f242798f41e3ec2d4efcbb3d2c
--- /dev/null
+++ b/3DBiCar/3731/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=1752543542,4020306547&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=707"
+}
\ No newline at end of file
diff --git a/3DBiCar/3734/metadata.json b/3DBiCar/3734/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..af4d94e1c04feff471e02c6694b025d461beea49
--- /dev/null
+++ b/3DBiCar/3734/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "hand_drawn",
+  "source": "https://pic.qbaobei.com/Uploads/Editor/2020-01-17/5e2179c390d7c.jpg"
+}
\ No newline at end of file
diff --git a/3DBiCar/3739/metadata.json b/3DBiCar/3739/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/3739/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3741/metadata.json b/3DBiCar/3741/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/3741/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3743/metadata.json b/3DBiCar/3743/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/3743/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3760/metadata.json b/3DBiCar/3760/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/3760/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3761/metadata.json b/3DBiCar/3761/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..54ce31e10974124d937f5eaa8886f6475012113e
--- /dev/null
+++ b/3DBiCar/3761/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3818/metadata.json b/3DBiCar/3818/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..7a377da68da947d991b3827e2045a209cdcc85dc
--- /dev/null
+++ b/3DBiCar/3818/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=4033204700,3617895392&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=503&h=489"
+}
\ No newline at end of file
diff --git a/3DBiCar/3831/metadata.json b/3DBiCar/3831/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/3831/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3832/metadata.json b/3DBiCar/3832/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..63eaeece52dd12783050435614a07bf206f4a1f1
--- /dev/null
+++ b/3DBiCar/3832/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/384/metadata.json b/3DBiCar/384/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/384/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3840/metadata.json b/3DBiCar/3840/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..e2d8ceec5fa7b6dd31baa8cf3f950e7a94b0e334
--- /dev/null
+++ b/3DBiCar/3840/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=2104948662,262954130&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=455&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3861/metadata.json b/3DBiCar/3861/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..4dafe8dc92eed5cc241b70c11495394acf1d935f
--- /dev/null
+++ b/3DBiCar/3861/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=1099412637,1422158947&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=571&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3868/metadata.json b/3DBiCar/3868/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..9a5bdad35d6e0a21d5896b234bf82ff974dccca4
--- /dev/null
+++ b/3DBiCar/3868/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "hand_drawn",
+  "source": "http://mms1.baidu.com/it/u=1994759760,1129000073&fm=253&app=120&f=JPEG&fmt=auto&q=75?w=500&h=374"
+}
\ No newline at end of file
diff --git a/3DBiCar/3870/metadata.json b/3DBiCar/3870/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/3870/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3893/metadata.json b/3DBiCar/3893/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/3893/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3895/metadata.json b/3DBiCar/3895/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..1bf367cd199448c17b32defbc18b5fcfbde87940
--- /dev/null
+++ b/3DBiCar/3895/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "hand_drawn",
+  "source": "http://mms2.baidu.com/it/u=115128402,2879039331&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=727&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3896/metadata.json b/3DBiCar/3896/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..9ff1437760d7ea90077a8b95b3e65a769a8be0e6
--- /dev/null
+++ b/3DBiCar/3896/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "picture_book",
+  "source": "http://5b0988e595225.cdn.sohucs.com/images/20190124/e62949824fb0400784793594c74f6de2.jpeg"
+}
\ No newline at end of file
diff --git a/3DBiCar/39/metadata.json b/3DBiCar/39/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..39a70435452d2ad4bdbde3ffe1ad73aa08eed119
--- /dev/null
+++ b/3DBiCar/39/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "picture_book",
+  "source": "http://5b0988e595225.cdn.sohucs.com/images/20190304/b0897e3f72d341cfbc96c529c49f4a43.jpeg"
+}
\ No newline at end of file
diff --git a/3DBiCar/3909/metadata.json b/3DBiCar/3909/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..dccdebbdb65a7b991bddcef7dce1f49d2a5c9f9e
--- /dev/null
+++ b/3DBiCar/3909/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=1768453568,1209105738&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3913/metadata.json b/3DBiCar/3913/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/3913/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/392/metadata.json b/3DBiCar/392/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/392/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3921/metadata.json b/3DBiCar/3921/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d052e678052dae45e486cb530e8d064d75eac231
--- /dev/null
+++ b/3DBiCar/3921/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=1877287263,2004358677&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=650"
+}
\ No newline at end of file
diff --git a/3DBiCar/3923/metadata.json b/3DBiCar/3923/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..93743d8f6ee7b7d70c7c3fa9294f6f05d8cf9e78
--- /dev/null
+++ b/3DBiCar/3923/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=4000048259,2272800751&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=455&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3929/metadata.json b/3DBiCar/3929/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..966c712d1dab6cd02e408bcaf2b02351b9d5badc
--- /dev/null
+++ b/3DBiCar/3929/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "computer_design",
+  "source": "http://mms1.baidu.com/it/u=3177466674,2885429091&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=400&h=400"
+}
\ No newline at end of file
diff --git a/3DBiCar/3935/metadata.json b/3DBiCar/3935/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/3935/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3946/metadata.json b/3DBiCar/3946/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/3946/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3958/metadata.json b/3DBiCar/3958/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d187692fa4cf2616389c5732408affdb7c40af11
--- /dev/null
+++ b/3DBiCar/3958/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3961/metadata.json b/3DBiCar/3961/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..7257140eb9ff356b1540e368c24ef04d41c2661a
--- /dev/null
+++ b/3DBiCar/3961/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "computer_design",
+  "source": "http://mms2.baidu.com/it/u=1782161348,2171141101&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=411"
+}
\ No newline at end of file
diff --git a/3DBiCar/3966/metadata.json b/3DBiCar/3966/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0fc535c434f234a4e63b0b5ff447b066bd8e173a
--- /dev/null
+++ b/3DBiCar/3966/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3984/metadata.json b/3DBiCar/3984/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..54ce31e10974124d937f5eaa8886f6475012113e
--- /dev/null
+++ b/3DBiCar/3984/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3994/metadata.json b/3DBiCar/3994/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d187692fa4cf2616389c5732408affdb7c40af11
--- /dev/null
+++ b/3DBiCar/3994/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4008/metadata.json b/3DBiCar/4008/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..54ce31e10974124d937f5eaa8886f6475012113e
--- /dev/null
+++ b/3DBiCar/4008/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4009/metadata.json b/3DBiCar/4009/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..fc34dc5a1d0bae0b23783c10beb40943ec42212a
--- /dev/null
+++ b/3DBiCar/4009/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer+horse",
+  "style": "computer_design",
+  "source": "http://mms1.baidu.com/it/u=2645440766,1755282197&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=832"
+}
\ No newline at end of file
diff --git a/3DBiCar/4012/metadata.json b/3DBiCar/4012/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..f8d5a9f9068668966cf3d56540f98ef9a2768943
--- /dev/null
+++ b/3DBiCar/4012/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=3031370731,444905734&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=335"
+}
\ No newline at end of file
diff --git a/3DBiCar/4019/metadata.json b/3DBiCar/4019/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/4019/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4037/metadata.json b/3DBiCar/4037/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..22f3937eadada216cdf6512eac14f4e1c84d1415
--- /dev/null
+++ b/3DBiCar/4037/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "computer_design",
+  "source": "http://mms1.baidu.com/it/u=2417777491,3202603527&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=660&h=370"
+}
\ No newline at end of file
diff --git a/3DBiCar/4041/metadata.json b/3DBiCar/4041/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..3262961011f6279ce5fd3c93901a094787044e90
--- /dev/null
+++ b/3DBiCar/4041/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=2788829999,535502079&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=666&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/4043/metadata.json b/3DBiCar/4043/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..1095a159812ec71e47f5c2c87cfedf73fd13a125
--- /dev/null
+++ b/3DBiCar/4043/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Tiger",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4048/metadata.json b/3DBiCar/4048/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/4048/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/405/metadata.json b/3DBiCar/405/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/405/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4054/metadata.json b/3DBiCar/4054/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/4054/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4074/metadata.json b/3DBiCar/4074/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d187692fa4cf2616389c5732408affdb7c40af11
--- /dev/null
+++ b/3DBiCar/4074/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4082/metadata.json b/3DBiCar/4082/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..92ae0347d3ee29f3713f384665ebb675b9073ac7
--- /dev/null
+++ b/3DBiCar/4082/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4085/metadata.json b/3DBiCar/4085/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/4085/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4090/metadata.json b/3DBiCar/4090/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..53349924f876111bc484d6e2751a5fa830ddcc96
--- /dev/null
+++ b/3DBiCar/4090/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=2328898040,1615596906&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=572"
+}
\ No newline at end of file
diff --git a/3DBiCar/4105/metadata.json b/3DBiCar/4105/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a313ec0f2fe12cbef235b8991b8827d84aacc095
--- /dev/null
+++ b/3DBiCar/4105/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "cattle",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4118/metadata.json b/3DBiCar/4118/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..94f14c757adb38ff52a99753263a59fa4bd2d26a
--- /dev/null
+++ b/3DBiCar/4118/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4127/metadata.json b/3DBiCar/4127/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..f9d40cb954b9688a0b8c857de1f90c863bce8525
--- /dev/null
+++ b/3DBiCar/4127/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=1033335213,2105570360&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/4140/metadata.json b/3DBiCar/4140/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/4140/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4144/metadata.json b/3DBiCar/4144/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..e77f6b47539219f978bf29a0ac5f47a94d8a3be9
--- /dev/null
+++ b/3DBiCar/4144/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=672116401,1502252963&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=667&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/4152/metadata.json b/3DBiCar/4152/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a602ca4fcf5703c78b5927634d34d24524e2050b
--- /dev/null
+++ b/3DBiCar/4152/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=2504028745,2478837684&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=1000&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/4155/metadata.json b/3DBiCar/4155/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..47c2a4d859133abda19837925722d5914a1403b4
--- /dev/null
+++ b/3DBiCar/4155/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "computer_design",
+  "source": "http://5b0988e595225.cdn.sohucs.com/images/20180816/09e6013aaa0143e7b1ec0880a9649ddf.png"
+}
\ No newline at end of file
diff --git a/3DBiCar/4161/metadata.json b/3DBiCar/4161/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..86721343bf7c94714a01d777a94501004129d4fd
--- /dev/null
+++ b/3DBiCar/4161/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "computer_design",
+  "source": "http://mms1.baidu.com/it/u=1815672052,2508940592&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=667&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/4164/metadata.json b/3DBiCar/4164/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..1095a159812ec71e47f5c2c87cfedf73fd13a125
--- /dev/null
+++ b/3DBiCar/4164/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Tiger",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4165/metadata.json b/3DBiCar/4165/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..4142278a24cead4be069773542fc63e89b7915ca
--- /dev/null
+++ b/3DBiCar/4165/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/417/metadata.json b/3DBiCar/417/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..57bc85106c6c1562e10d7e2970069547ca1debf6
--- /dev/null
+++ b/3DBiCar/417/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer+horse",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=1591179115,2582283594&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=461&h=565"
+}
\ No newline at end of file
diff --git a/3DBiCar/4171/metadata.json b/3DBiCar/4171/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..7bca58ff8742cbb857e465ae2d95722c7860e83d
--- /dev/null
+++ b/3DBiCar/4171/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "computer_design",
+  "source": "https://pics6.baidu.com/feed/5366d0160924ab183f5d595063d3b2c87b890b38.png@f_auto?token=e4384b2940871da736e26353f4bef94f&s=0BC2ED16191244C64A55B9DA030040B1"
+}
\ No newline at end of file
diff --git a/3DBiCar/4181/metadata.json b/3DBiCar/4181/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..94f14c757adb38ff52a99753263a59fa4bd2d26a
--- /dev/null
+++ b/3DBiCar/4181/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4189/metadata.json b/3DBiCar/4189/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/4189/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4207/metadata.json b/3DBiCar/4207/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..63eaeece52dd12783050435614a07bf206f4a1f1
--- /dev/null
+++ b/3DBiCar/4207/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/4208/metadata.json b/3DBiCar/4208/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..f5aabdd52fbe1141577d506701c475c0c5fbd91a
--- /dev/null
+++ b/3DBiCar/4208/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "computer_design",
+  "source": "https://cc.tvbs.com.tw/img/program/upload/2022/12/22/20221222173048-eec6ab10.jpg"
+}
\ No newline at end of file